What does "let slip" mean?

To accidentally reveal To say something by mistake.

How do you use "let slip" in a sentence?

She let slip that she knew. He let slip the secret. I accidentally let it slip.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To accidentally reveal

不小心说漏嘴

Soltar sin querer, irse de la lengua

うっかり口を滑らせる

무심코 말하다; 실언하다

To say something by mistake.

不经意间说出不该说的话。泄露秘密。

Decir algo por error. Revelar algo sin querer.

間違えて言ってしまうこと。秘密を漏らしてしまう。

실수로 무언가를 말해 버리다.

Base verb: let

Particle: slip

Separable: No — the verb and particle stay together

She let slip that she knew.
她不小心透露了她知道这件事
Se le escapó que lo sabía
彼女は知っていることをうっかり漏らした
그녀는 알고 있다는 것을 그만 말해 버렸다.
He let slip the secret.
他说漏了嘴
Dejó escapar el secreto
彼は秘密を口走ってしまった
그는 비밀을 실수로 말해 버렸다.
I accidentally let it slip.
我不小心说漏了
Se me escapó sin querer
うっかり言ってしまった
나도 모르게 그만 말해 버렸다.

Context: accidental, revealing, careless

Tone: apologetic

Let slip
说漏嘴、无意中透露
Irse de la lengua; Escapársele a uno
口を滑らせる、うっかり言う
무심코 말해 버리다

From information slipping out.

Era: Modern

Generation: All ages

Social background: Universal